<form action="proseslogin.php" method="post" form name="form login" onsubmit="greeting()">

        <div style="margin-left:500px;">
                <input type="text" value="Username" placeholder="Username" onfocus="this.value==this.defaultValue?this.value='':null" class="textboxlogin" name="username"/>
        </div>
        <div style="margin-left:500px;">
                <input type="password" value="Password" placeholder="Password" onfocus="this.value==this.defaultValue?this.value='':null" class="textboxlogin" name="password"/>
        </div>
        <div style="margin-left:595px;">
                <input type="image" src="buttonlogin.png" class="buttonlogin" autofocus>  
        </div>
        <div style="margin-left:850px;margin-top:-65px;">
                <a href="index.php?page=daftar">Not Member?</a>
        </div>
</form>